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公开(公告)号：WO2022047109A1
公开(公告)日：2022-03-03
申请号：PCT/US2021/047871
申请日：2021-08-27
Applicant: GOPRO, INC.
Inventor： ZHAO, Peiqian , STERN, Jonathan , COTOROS, Ingrid A.
Abstract: Accessory lens structures for cameras are described. For example, an image capture device may include a mother lens assembly including a first stack of lenses; an image sensor positioned at a first end of the mother lens assembly and configured to detect images based on light incident on the image sensor through the first stack of lenses; a conversion lens assembly including a second stack of lenses, wherein the second stack of lenses is afocal; and a conversion lens mounting apparatus configured to removably attach the conversion lens assembly to the image capture device in a position over a second end of the mother lens assembly, opposite from the image sensor, such that light incident on an outer lens of the second stack of lenses will be refracted through the second stack of lenses and the first stack of lenses to the image sensor.
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公开(公告)号：WO2021257060A1
公开(公告)日：2021-12-23
申请号：PCT/US2020/037927
申请日：2020-06-16
Applicant: GOOGLE LLC
Inventor： RABAUD, Vincent , USTARROZ-CALONGE, Maryla
IPC: H04N19/50 , H04N19/65 , H04N19/93 , H03M7/00 , H04N19/70 , H04N19/13 , H04N19/15 , H04N19/182 , H04N19/169 , H03M7/40 , H03M7/4093 , H03M7/6005 , H04N19/1887
Abstract: Encoding an image includes determining respective costs of coding a symbol using available coding types. A first coding type indicates that a value of the symbol is to be decoded using a same number of bits, and a second coding type indicates that the value of the symbol is to be decoded using a range. An optimal coding type of the available coding types is selected, which corresponds to a smallest cost of the respective costs. A first indicator of the optimal coding type and a first symbol value of the symbol using the optimal coding type are encoded in a compressed bitstream. Decoding an image includes decoding, from a header of a compressed bitstream, respective coding types of symbols encoded in the compressed bitstream and decoding, from the compressed bitstream, respective values of the symbols according to the respective coding types decoded from the header.
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公开(公告)号：WO2021174043A1
公开(公告)日：2021-09-02
申请号：PCT/US2021/019970
申请日：2021-02-26
Applicant: GOPRO, INC.
Inventor： CROW, Kielan C. , SHINDE, Akshay , VITALE, Nicholas , PACHECO, Eduardo Hernandez
IPC: G03B17/55
Abstract: An image capture device includes a heatsink having a cutout within the heatsink. The image capture device also includes a housing, a mounting structure located on an external side of the housing, and an integrated sensor and lens assembly (ISLA) extending through the cutout in the heatsink and connecting to the mounting structure. The ISLA is free of contact with the heatsink. The heatsink can include mounting flanges to support components including printed circuit boards and battery cages.
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公开(公告)号：WO2020205065A1
公开(公告)日：2020-10-08
申请号：PCT/US2020/017440
申请日：2020-02-10
Applicant: GOPRO, INC.
Inventor： WOODMAN, Nicholas D. , COTOROS, Ingrid A.
Abstract: An image capture system includes an image capture device and an integrated sensor-optical component accessory. The integrated sensor-optical component accessory is releasably connectable to the image capture device and includes identification data. A processor in the image capture device configures itself and the image capture device based on the identification data. Image data from the integrated sensor-optical component accessory is processed and image data from the image capture data is either processed or ignored depending on the configuration. Attachment information may also be used for configuration. Multiple integrated sensor-optical component accessories may be connected to the image capture device. The center axis of the fields of view of the image capture device and the integrated sensor-optical component accessory may be in different directions or the same direction, and the fields of view may be overlapping or non-overlapping.
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公开(公告)号：WO2020150189A3
公开(公告)日：2020-07-23
申请号：PCT/US2020/013439
申请日：2020-01-14
Applicant: APPLE INC.
Inventor： HATFIELD, Dustin A. , STRONGWATER, Daniel M. , BAUERLY, Kristi E.
IPC: G02B27/01
Abstract: A head-mounted display includes a display unit and a facial interface. The display unit includes a display for displaying graphical content to a user. The facial interface is coupled to the display unit and configured to engage a face of the user to support the display unit thereon. The facial interface includes an upper portion that engages a forehead of the user and side portions that engage temple regions of the user. The facial interface converts forward force applied to the upper portion by the forehead into inward force applied by side portions to the temple regions.
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Patent Agency Ranking
公开(公告)号：WO2020142589A1
公开(公告)日：2020-07-09
申请号：PCT/US2020/012027
申请日：2020-01-02
Applicant: GOPRO, INC.
Inventor： DERBANNE, Thomas Armel , DOUADY, Bruno César , KARPUSHIN, Maxim
Abstract: A face located along a stitch line in a spherical image is detected by rendering views of regions of the spherical image along the stitch line. The spherical image may be produced by combining first and second images. A first view of a projection of the spherical image is rendered. A scaling factor for rendering a second view of the projection is determined based characteristics of the first portion of the face. The second view is then rendered according to the scaling factor. The use of the scaling factor to render the second view causes a change in the depiction of the second portion of the face. For example, the scaling factor can indicate to change the resolution or expected size of the second portion of the face when rendering the second view. A face is then detected within the spherical image based on the rendered first and second views.
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公开(公告)号：WO2020142262A1
公开(公告)日：2020-07-09
申请号：PCT/US2019/067794
申请日：2019-12-20
Applicant: SIFIVE, INC.
Inventor： ASANOVIC, Krste , WATERMAN, Andrew
Abstract: Systems and methods are disclosed for secure predictors for speculative execution. Some implementations may eliminate or mitigate side-channel attacks, such as the Spectre-class of attacks, in a processor. For example, an integrated circuit for executing instructions includes a predictor circuit that, when operating in a first mode, uses data stored in a set of predictor entries to generate predictions. For example, the integrated circuit may be configured to: detect a security domain transition for software being executed by the integrated circuit; responsive to the security domain transition, change a mode of the predictor circuit from the first mode to a second mode and invoke a reset of the set of predictor entries, wherein the second mode prevents the use of a first subset of the predictor entries of the set of predictor entries; and, after completion of the reset, change the mode back to the first mode.
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公开(公告)号：WO2020123459A1
公开(公告)日：2020-06-18
申请号：PCT/US2019/065396
申请日：2019-12-10
Applicant: SIFIVE, INC.
Inventor： ASANOVIC, Krste , WATERMAN, Andrew
Abstract: Systems and methods are disclosed for macro-op fusion. Sequences of macro-ops that include a control-flow instruction are fused into single micro-ops for execution. The fused micro-ops may avoid the use of control-flow instructions, which may improve performance. A fusion predictor may be used to facilitate macro-op fusion.
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公开(公告)号：WO2020123053A1
公开(公告)日：2020-06-18
申请号：PCT/US2019/059025
申请日：2019-10-31
Applicant: GOOGLE LLC
Inventor： MUKHERJEE, Debargha , JOSHI, Urvang , CHEN, Yue , PARKER, Sarah
IPC: H04N19/593
Abstract: Video coding may include generating, by a processor, a decoded frame by decoding a current frame from an encoded bitstream and outputting a reconstructed frame based on the decoded frame. Decoding includes identifying a current encoded block from the current frame, identifying a prediction coding model for the current block, wherein the prediction coding model is a machine learning prediction coding model from a plurality of machine learning prediction coding models, identifying reference values for decoding the current block based on the prediction coding model, obtaining prediction values based on the prediction coding model and the reference values, generating a decoded block corresponding to the current encoded block based on the prediction values, and including the decoded block in the decoded frame.
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公开(公告)号：WO2020117378A1
公开(公告)日：2020-06-11
申请号：PCT/US2019/056741
申请日：2019-10-17
Applicant: GOPRO, INC.
Inventor： GUÉRIN, Guillaume Matthieu , CARON, Julien
Abstract: Systems and methods are disclosed for image signal processing. For example, methods may include receiving an image from an image sensor, detecting, in a linear domain, color fringing areas in the image, correcting detected color fringing areas to obtain a corrected image, performing tone mapping to the corrected image to obtain a tone mapped image and storing, displaying, or transmitting an output image based on at least the tone mapped image.
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